IP Library › Granted Patent US 12,551,085
Granted Patent B2
US 12,551,085 · App. 18/401,175 · Granted Feb 17, 2026

Dishwasher

Inventors: Inju Lee (Suwon-si, KR); Seungyong Yang (Suwon-si, KR); Junghee Lee (Suwon-si, KR); Sungjin Kim (Suwon-si, KR); Jinhyok An (Hwaseong-si, KR); Youngpyo Kim (Suwon-si, KR)
Assignee: SAMSUNG ELECTRONICS CO., LTD.
A47L15/4257A47L15/4274A47L15/4436A47L15/4463A47L15/449
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Quick Facts
Patent No.
US 12,551,085
App. No.
18/401,175
Granted
Feb 17, 2026
Kind
B2
Abstract

A dishwasher including a tub; a door configured to open and close the tub, the door including an outer frame forming an outer surface of the door, and an inner frame coupled to the outer frame and forming an inner surface of the door, with an inner space between the outer frame and the inner frame; and an automatic detergent dispenser coupled to the inner frame and configured to dispense a solid detergent while the tub is closed by the door, the automatic detergent dispenser including a storage compartment in which a plurality of solid detergents are stackable so as to be loaded along one direction, and a discharge duct including a discharge hole formed to communicate with an inner space, the discharge duct configured to discharge air, which flows from the tub into the automatic detergent dispenser, to the inner space through the discharge hole.

Claims (63)

1 . A dishwasher comprising:

a tub;

a door configured to open and close the tub, the door including:

an outer frame forming an outer surface of the door, and

an inner frame coupled to the outer frame and forming an inner surface of the door, with an inner space between the outer frame and the inner frame; and

an automatic detergent dispenser coupled to the inner frame and configured to dispense a solid detergent toward an inside of the tub while the tub is closed by the door, the automatic detergent dispenser including:

a storage compartment in which a plurality of solid detergents are stackable so as to be loaded along one direction, and

a discharge duct including a discharge hole formed to communicate with an inner space, the discharge duct configured to discharge air, which flows from the tub into the automatic detergent dispenser, to the inner space through the discharge hole.

2 . The dishwasher of claim 1 , wherein

the discharge duct extends parallel to the one direction along which the plurality of solid detergents are loaded,

wherein the discharge hole is formed at one side of the discharge duct with respect to the one direction.

3 . The dishwasher of claim 1 , wherein

the discharge duct is disposed in a direction perpendicular to the one direction with respect to the storage compartment.

4 . The dishwasher of claim 1 , wherein

the automatic detergent dispenser includes:

a discharge hole cover covering the discharge hole from an outside of the discharge duct.

5 . The dishwasher of claim 4 , wherein

the discharge hole cover includes:

a cover portion facing the discharge hole at a position spaced apart from the discharge hole.

6 . The dishwasher of claim 4 , wherein

the automatic detergent dispenser includes:

an air discharge guide to guide air discharged through the discharge hole to an outside of the discharge hole cover, and

the air discharge guide is inclined downward toward the outer frame while the tub is closed by the door.

7 . The dishwasher of claim 1 , wherein

the automatic detergent dispenser includes:

a housing coupled to the inner frame and in which the storage compartment and the discharge duct are disposed,

a driver configured to drive the automatic detergent dispenser to discharge one solid detergent among the plurality of solid detergents into the tub, the driver disposed inside the housing,

a control device configured to control the driver, and

a wire configured to electrically connect the driver and the control device, at least a portion of the wire being disposed along the discharge duct.

8 . The dishwasher of claim 7 , wherein

the wire passes through the discharge hole, and

the housing includes:

a control device cover to cover a portion of the wire, the discharge hole, and the control device.

9 . The dishwasher of claim 1 , wherein

the automatic detergent dispenser includes:

a housing coupled to the inner frame,

the housing includes:

a drain groove formed to have a concave shape on an outer surface of the housing,

the storage compartment and the discharge duct are disposed inside the housing,

the discharge hole is disposed on the outer surface of the housing, and

the drain groove is configured to prevent water, which flows from the tub, from flowing into the discharge hole.

10 . The dishwasher of claim 9 , wherein

the drain groove is disposed in the inner space, and is configured to drain the water, which flows from the tub into the inner space, from the housing to a lower side of the inner space while the door is closed.

11 . The dishwasher of claim 9 , wherein

the drain groove is arranged along an outer edge of the housing.

12 . The dishwasher of claim 9 , wherein

the discharge hole is formed on one surface of the housing at a side toward the outer frame, wherein the housing includes:

a housing rib disposed along the drain groove and formed to have a protruding shape,

the housing rib is disposed in a direction toward the outer frame with respect to the drain groove.

13 . The dishwasher of claim 1 , wherein

the storage compartment includes:

a storage compartment discharge hole to communicate with the inner space.

14 . The dishwasher of claim 13 , wherein

the storage compartment discharge hole is at one side of the storage compartment along the one direction in which the plurality of solid detergents are loaded.

15 . The dishwasher of claim 1 , wherein

the automatic detergent dispenser includes:

an inlet communicating with the tub and configured so that one solid detergent among the plurality of solid detergents to be discharged, the one solid detergent having been discharged from the storage compartment, into the tub, and while the tub is closed by the door:

the plurality of solid detergents are stacked in a vertical direction inside the storage compartment,

the inlet is disposed below the discharge duct, and

the discharge hole is formed at an upper side of the discharge duct.

16 . The dishwasher of claim 1 , wherein

the automatic detergent dispenser includes:

a seating member to seat a solid detergent discharged from the storage compartment, and from which the seated solid detergent is discharged into the tub, and the discharge duct extends between the seating member and the discharge hole.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 1, 2025
From: DAE CHANG CO., LTD.
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 070993/0915 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 8, 2024
From: AN, JINHYOK
To: DAE CHANG CO., LTD.
Reel/Frame 067029/0748 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 2, 2024
From: LEE, INJU; YANG, SEUNGYONG; LEE, JUNGHEE; KIM, SUNGJIN; KIM, YOUNGPYO
To: SAMSUNG ELECTRONICS CO., LTD.; DAE CHANG CO., LTD.
Reel/Frame 065993/0037 →
Priority Claims (1)
KR 10-2022-0146529 · Nov 4, 2022 · national
Continuity (2)
Continuation PCTKR2023011807 · Aug 10, 2023
Related Publication 20240148221A1 · May 9, 2024
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